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1c042b7784
Both IMA and IMA_int work the same then channels = 1, so this is just to signal when IMA stereo (nibble interleave) is actually used (ie. rarely)
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* .MYSPF - from U-Sing (Wii) */
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VGMSTREAM * init_vgmstream_myspd(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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int loop_flag = 0, channel_count;
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off_t start_offset;
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size_t channel_size;
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/* check extension, case insensitive */
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if (!check_extensions(streamFile,"myspd"))
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goto fail;
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channel_count = 2;
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start_offset = 0x20;
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channel_size = read_32bitBE(0x00,streamFile);
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/* check size */
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if ((channel_size * channel_count + start_offset) != get_streamfile_size(streamFile))
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goto fail;
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count,loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->num_samples = ima_bytes_to_samples(channel_size*channel_count, channel_count);
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vgmstream->sample_rate = read_32bitBE(0x04,streamFile);
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vgmstream->meta_type = meta_MYSPD;
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vgmstream->coding_type = coding_IMA_int;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = channel_size;
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if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
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goto fail;
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return vgmstream;
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fail:
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if (vgmstream) close_vgmstream(vgmstream);
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return NULL;
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}
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